Mathematics: In how many ways can 8 people be seated in a row if: (a) there are no restrictions on the seating arrangement? (b) persons a and b don t want to seat together? (c) there are 4 men and 4 women and no 2 men or 2 women can sit next to each other? (d) there are 4 married couples and each couple must sit together?

In how many ways can 8 people be seated in a row

elijahcarson9015

12.03.2022

At least 4 since I don't have any letters or which will be girls or boys I can't give an exact answer

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shaonaworld

14.12.2021

1) 2(t - 7)(t + 1)

2) $32,000

Step-by-step explanation:

v(t) = 2t² - 12t - 14

v(t) = 2(t² - 6t - 7) = 2(t - 7)(t + 1)

x = -b/2a = 6/2 = 3

y = 2(3)² - 12(3) - 14 = -32

(3, -32) means at 3 months, -32 thousand dollars

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